title: Treponemal disease control in underdeveloped countries: Experiences in mass therapy.
mesh_terms: D035843:Biomedical Research; D003906:Developing Countries; D006801:Humans; D010406:Penicillins / Q000627:therapeutic use*; D013587:Syphilis / Q000517:prevention & control*; D014211:Treponemal Infections
chemical_list: D010406:Penicillins
keywords: PENICILLIN/therapeutic use; SYPHILIS/prevention and control